28124356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 26912444

約数列:

[1, 2, 4, 13, 26, 52, 59, 89, 103, 118, 178, 206, 236, 356, 412, 767, 1157, 1339, 1534, 2314, 2678, 3068, 4628, 5251, 5356, 6077, 9167, 10502, 12154, 18334, 21004, 24308, 36668, 68263, 79001, 119171, 136526, 158002, 238342, 273052, 316004, 476684, 540853, 1081706, 2163412, 7031089, 14062178, 28124356]

約数ペア:

[(1, 28124356), (2, 14062178), (4, 7031089), (13, 2163412), (26, 1081706), (52, 540853), (59, 476684), (89, 316004), (103, 273052), (118, 238342), (178, 158002), (206, 136526), (236, 119171), (356, 79001), (412, 68263), (767, 36668), (1157, 24308), (1339, 21004), (1534, 18334), (2314, 12154), (2678, 10502), (3068, 9167), (4628, 6077), (5251, 5356)]